Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

On the Vertigo, LLC

Q: What is the NPI number for On the Vertigo, LLC?

The NPI for On the Vertigo, LLC is 1558130963, a Type 2 (organization) record in the CMS NPPES registry.

Physical Therapy Clinic/Center in Hollis, NH · enumerated 2023 · authorized official Katherine Cavallaro, Owner/Manager.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1558130963

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Registry record

Entity type Organization (Type 2)

Legal business name On the Vertigo, LLC

Practice address 1 Depot Rd, Hollis, NH, 03049

Phone (781) 789-0138

Enumeration date Dec 27, 2023

Last updated in NPPES Dec 27, 2023

Taxonomy & classification

261QP2000X Physical Therapy Clinic/Center Ambulatory Health Care Facilities Primary

Authorized official

Name Katherine Cavallaro

Title Owner/Manager

Phone (781) 789-0138

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

Who is the authorized official for On the Vertigo, LLC?

NPPES lists Katherine Cavallaro (Owner/Manager) as the authorized official for this organization.

What is the NPI number for On the Vertigo, LLC?

The NPI for On the Vertigo, LLC is 1558130963, a Type 2 (organization) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-12-27.